Early Signs of Cancer Adults Often Ignore, According to Oncologists

Early cancer signs can include unexplained weight loss, unusual lumps, persistent tiredness, abnormal bleeding, lasting cough and changes in bowel or bladder habits. These symptoms do not always mean cancer, but ongoing changes should be checked by a doctor.

It is easy to blame tiredness on work, weight loss on diet or a cough on the weather. Most of the time, such symptoms have causes other than cancer. The concern begins when a change has no clear reason, keeps returning or does not improve.

This guide covers early changes adults should pay attention to and the right time to seek medical advice.

1. Unexplained Weight Loss

Losing weight without changing your diet or physical activity deserves attention, especially when the loss continues. Unexplained weight change is one symptom that can occur with cancer.

• Clothes may start becoming loose without trying to lose weight.
• Weight may continue falling over several weeks.
• Loss of appetite can occur at the same time.
• Weakness or tiredness may develop alongside weight loss.
• Digestive problems can sometimes make eating difficult.

Unexplained weight loss has many possible causes. A doctor can check the reason rather than assuming it is cancer.

2. A New Lump Or Swelling

A new lump or swelling anywhere in the body should be monitored and medically assessed if it persists. Lumps can occur in the breast, neck, underarm, abdomen or groin.

• A lump may feel different from the surrounding tissue.
• Swollen lymph nodes may appear in the neck, armpit or groin.
• The swelling may remain even after an infection has settled.
• Breast or nipple changes should not be ignored.
• A lump may be painless, so pain should not be the deciding factor.

Many lumps are non-cancerous. A physical examination and further tests can help identify the cause.

3. Tiredness That Does Not Improve With Rest

Persistent fatigue is different from feeling tired after a busy day. Cancer can sometimes cause severe tiredness that continues even when a person gets enough sleep or rest.

• Daily activities may begin to require more effort.
• Rest may not improve the tiredness.
• Weakness can occur without a clear reason.
• Concentration may become difficult.
• Fatigue may occur alongside appetite or weight changes.

Fatigue can also result from anaemia, poor sleep, infections and many other conditions. Persistent fatigue needs evaluation when there is no clear explanation.

4. Unusual Bleeding Or Blood In Stool Or Urine

Bleeding without a known reason should not be repeatedly dismissed. Depending on its source, blood may appear in stool, urine, vomit or sputum.

• Blood in stool needs medical evaluation.
• Blood in urine should be checked even if it happens once.
• Unusual vaginal bleeding needs assessment.
• Coughing or vomiting blood requires medical attention.
• Repeated unexplained bruising or bleeding should also be discussed with a doctor.

Bleeding can have many causes besides cancer, including piles, infections and other medical conditions. Testing helps identify the actual cause.

5. A Cough Or Hoarse Voice That Does Not Go Away

Most coughs improve after an infection or irritation settles. A cough or hoarse voice that continues without a clear reason should be checked, particularly when other symptoms develop.

• A cough may continue for several weeks.
• Hoarseness may remain without improving.
• Breathlessness can develop or become worse.
• Chest discomfort may occur with other symptoms.
• Blood in sputum requires prompt medical attention.

Smoking history and other risk factors can also help a doctor decide which tests may be needed.

6. Changes In Bowel Or Bladder Habits